content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import org.junit.*;
  
  public class CharactersTest {
  
      @Test
      public void normal() {
          Ix<Integer> source = Ix.characters("Hello world!");
  
          IxTestHelper.assertValues(source,
                  (int)'H', (int)'e', (int)'l', (int)'l',
                          (int)'o', (int)' ', (int)'w', (int)'o', (int)'r', (int)'l',
                          (int)'d', (int)'!');
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void normalRange() {
          Ix<Integer> source = Ix.characters("Hello world!", 2, 8);
  
          IxTestHelper.assertValues(source,
                  (int)'l', (int)'l',
                          (int)'o', (int)' ', (int)'w', (int)'o');
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void rangeChecks() {
          String s = "Hello world";
  
          try {
              Ix.characters(s, -1, 1);
              Assert.fail("Failed to throw IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException ex) {
              Assert.assertEquals("start=-1, end=1, length=11", ex.getMessage());
          }
  
          try {
              Ix.characters(s, 1, -1);
              Assert.fail("Failed to throw IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException ex) {
              Assert.assertEquals("start=1, end=-1, length=11", ex.getMessage());
          }
  
          try {
              Ix.characters(s, 12, -1);
              Assert.fail("Failed to throw IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException ex) {
              Assert.assertEquals("start=12, end=-1, length=11", ex.getMessage());
          }
  
          try {
              Ix.characters(s, 1, 12);
              Assert.fail("Failed to throw IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException ex) {
              Assert.assertEquals("start=1, end=12, length=11", ex.getMessage());
          }
  
          try {
              Ix.characters(s, 12, 12);
              Assert.fail("Failed to throw IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException ex) {
              Assert.assertEquals("start=12, end=12, length=11", ex.getMessage());
          }
      }
  }
  